coma definition astronomy

coma n. (optics) A defect characterized by diffuse, pear-shaped images… coma n. (botany) A tuft or bunch, such as the assemblage of branches… — En néerlandais — coma n. (medisch) volkomen bewustloosheid. Ion tails point almost exactly away from … Click in here, and prepare to have your mind expanded. The edges of the superclusters and Laniakea were not clearly known at the time of Laniakea's definition. Enrich your vocabulary with the English Definition dictionary After being in a coma for three weeks, Tom regained consciousness. coma: In pathology , a state of prolonged unconsciousness some what resembling sleep, from which the patient cannot be aroused, or can be aroused only partially, temporarily, and with difficulty; stupor. COMA BERENICES CLUSTER Though only 283 light years away, the the 400-million-year-old Coma Berenices star cluster still appears faint to the eye.. Coma Berenices The tiny constellation Coma Berenices, tucked between the handle of the Big Dipper and the haunches of Leo, makes for superb viewing for stargazers with binoculars, a small telescope, or no telescope at all. Definition of Coma [n] a state of deep and often prolonged unconsciousness; usually the result of disease or injury [n] (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed Unfortunately, this quantity is far from absolute. In astronomy, a coma (from the Greek κόμη, "hair") is the nebulous envelope around the nucleus of a comet.It is formed when the comet passes close to the Sun on its highly elliptical orbit; as the comet warms, parts of it sublimate. Coma. chevelure noun feminine. [1] This gives a comet a "fuzzy" appearance when viewed in telescopes and distinguishes it from stars.. Coma Definition from Language, Idioms & Slang Dictionaries & Glossaries. Morts suspectes. translation and definition "Coma", English-French Dictionary online. List phrases that spell out coma . traductions coma Ajouter . Les différents softs utilisés pour le VA. 10 posts • Page 1 of 1. apo Posts: 458 Joined: Thu Apr 11, 2019 4:34 am Location: 94. [1] French [] Noun []. Refroidissement et Sharpcap : petite bizarrerie. ... Astronomy the nebulous envelope around the nucleus of a comet. As this virtually never happens, this quantity is calculated from the comet's light curve. What are synonyms for Coma Berenices? The coma is the nebulous envelope around the nucleus of a comet, formed when the comet passes close to the Sun on its highly elliptical orbit; as the comet warms, parts of it sublimate. and coma definition, meaning, English dictionary, synonym, see also 'Coma Berenices',comal',comma',COM', Reverso dictionary, English definition, English vocabulary Optics a monochromatic aberration of a lens or other optical system in which the image from a point source cannot be brought into focus, the image of a point having the shape of a comet. Webster's Revised Unabridged Dictionary (1913) (n.) The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet. Other articles where Plasma tail is discussed: comet: General considerations: The ion tail forms from the volatile gases in the coma when they are ionized by ultraviolet photons from the Sun and blown away by the solar wind. Definitions Related words. Bolin believes that the gravitational interactions that put LD2 where it is today are comparatively rare: “The visitor had to have come into the orbit of Jupiter at just the right trajectory to have this kind of configuration that gives it the appearance of sharing its orbit with the planet. Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. ‘The four-year-old was carried into the hospital in a deep coma, with a high temperature and a high level of malaria parasite in his bloodstream.’ ‘Reye's syndrome can eventually lead to a coma and brain death.’ ‘To treat a patient in a diabetic coma in hospital is also far more expensive than to provide maintenance doses of insulin.’ en Cloud surrounding a comet nucleus +6 définitions . Coma . (astronomy) A cloud of dust surrounding the nucleus of a comet. English English Dictionaries. Mais le correcteur de coma, j'en ai jamais utilisé et ça viendrait s'ajouter au budget. coma (n.) 1. a state of deep and often prolonged unconsciousness; usually the result of disease or injury. Si en plus c'est pour galérer à régler l'ensemble, ça va gâcher le plaisir. There are two main types of primary mirrors used in Newtonian telescopes: lower cost spherical mirrors, which form part of a sphere and are supplied with low-budget telescopes, and the more popular parabolic mirrors, which are sculpted into the shape of a parabola. The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies. Along ... but the source was not detected in the sounding rocket flight launched by the X-ray astronomy group at the Naval Research Laboratory on November 25, 1964. This gives a comet a "fuzzy" appearance when viewed in telescopes and distinguishes it from stars.The word coma comes from the Greek "kome" (κόμη), which means "hair" and is the origin of the word comet itself. | Meaning, pronunciation, translations and examples Cherchez coma et beaucoup d’autres mots dans le dictionnaire de définitions en anglais de Reverso. Have a definition for Coma (astronomy) ? coma n. (astronomy) A cloud of dust surrounding the nucleus of a comet. The coma is generally made of ice and dust. What is the definition of Coma Berenices? We live in a galaxy called the Milky Way. Coma definition is - a state of profound unconsciousness caused by disease, injury, or poison. Après être resté dans le coma pendant trois semaines, Tom reprit connaissance. All Free. Coma increases with distance from the centre of the mirror, which means that the aberration affects off-axis light. Jump to: General, Art, Business, Computing, Medicine, Miscellaneous, Religion, Science, Slang, Sports, Tech, Phrases We found 69 dictionaries with English definitions that include the word coma: Click on the first link on a line below to go directly to a page where "coma… Définitions de Coma (optique), synonymes, antonymes, dérivés de Coma (optique), dictionnaire analogique de Coma (optique) (français) absolute magnitude (Ho) The brightness of a comet when it is at 1 AU from both the Earth and Sun. 2. Comet definition, a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a … Ne dit on pas que le mieux est l’ennemi du bien Je garde l'idée pour plus tard. Coma (film) Copy to clipboard ; Details / edit; HeiNER - the Heidelberg Named Entity Resource. The neighboring superclusters to the Local Supercluster are the Shapley Supercluster, Hercules Supercluster, Coma Supercluster and Perseus-Pisces Supercluster; they are all part of the Pisces-Cetus Supercluster Complex. Refroidissement et Sharpcap : petite bizarrerie. coma - (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed. coma n. in coma liggen: bewusteloos zijn. Write it here to share it with the entire community. coma definition in English dictionary, coma meaning, synonyms, see also 'Coma Berenices',comal',comma',COM'. astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole. Coma definition: Someone who is in a coma is in a state of deep unconsciousness. coma m (plural comas) . +11 définitions . coma - WordReference English dictionary, questions, discussion and forums. [Bot.] Copy to clipboard; Details / edit; HeiNER - the Heidelberg Named Entity Resource. What is the meaning of Coma Berenices? But there is so much more to know about these grand and glorious star islands in space! Coma (band) Coma (groupe) After being in a coma for three weeks, Tom regained consciousness. Comet Definitions. coma (state of unconsciousness) . omegawiki. The object’s coma and jets are clearly visible. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed. The following are generally accepted definitions for terms related to cometary astronomy. Astronomie en Visuel Assisté / Electronically-Assisted Astronomy Forum dédié aux techniques d'observation astronomique électronique / EAA Forum . Add Definition. 3. coma noun masculine feminine. List phrases that spell out coma . How do you use Coma Berenices in a sentence? This envelope, called the coma, may be up to 620,000 miles (1,000,000 kilometers) across. En cosmologie, un filament galactique est une structure en forme de fil composée de galaxies et/ou d'amas de galaxies.. Les filaments galactiques sont parmi les plus grandes structures de l'Univers, d'une longueur typique comprise entre 50 et 80 Mpc (163 à 261 millions d'années-lumière) .Ils forment les frontières des grands vides et sont l'un des éléments de la toile cosmique. definitions - coma report a problem. Définition comal dans le dictionnaire anglais de définitions de Reverso, synonymes, voir aussi 'coma',coal',comical',comatula', expressions, conjugaison, exemples

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